Systems Administrator II/III - Cybersecurity

Systems Administrator II/III - Cybersecurity SEACORP is seeking a well-qualified Systems Administrator II/III - Cybersecurity. Job Summary SEACORP is seeking a talented and passionate Systems Administrator to join our Electronic Warfare team in Middletown, RI. This is an exciting opportunity to play a critical role in securing and maintaining cutting‑edge systems that support vital national security initiatives. You'll be at the heart of our operations, working on a team that designs, builds and maintains the infrastructure that powers our critical mission. As a key member of our team, you'll leverage your expertise in Linux systems, networking and cybersecurity best practices to ensure the reliability, security and performance of our systems. If you thrive in a dynamic environment, enjoy problem‑solving and are committed to continuous learning in the ever‑evolving cybersecurity landscape, we encourage you to apply! Job Responsibilities Build, secure and maintain system administration tasks, upgrades, security hardening, and maintenance of critical systems, including hardware and software components. Configure, manage and troubleshoot Layer 2 and Layer 3 network switches, ensuring a robust and secure network infrastructure. Implement and maintain security best practices, including DISA STIGs, and contribute to our compliance with NIST 800‑53, NIST 800‑171 and CMMC frameworks. Diagnose and resolve complex hardware and software issues, minimizing downtime and ensuring optimal system performance. Create and maintain comprehensive documentation of internal processes, procedures and system configurations. Travel to customer locations for system installations, upgrades and repairs (approximately 5% travel). Provide end‑user support for system‑related issues, ensuring a positive user experience. Essential Skills and Experience Solid understanding of interfacing subsystems, hardware and software components. Proficiency in Shell/Bash scripting for automation and system management. Deep understanding of Red Head Enterprise Linux (RHEL) administration and networking principles. Proven ability to build systems from the ground up and effectively troubleshoot hardware and software issues. Ability to understand requirements, perform analysis and document software or system requirements. Ability to design and develop solutions both independently and collaboratively within a team. Excellent multitasking and time management skills. Ability to clearly document technical solutions for both internal and external audiences. Desired Skills and Experience Extensive experience with Red Head Enterprise Linux (RHEL) in an enterprise environment. Experience with virtualization technologies (e.g., VMware, KVM). Familiarity with containerization technologies such as Docker or Podman. Working knowledge of Cisco and Arista network switches. Experience creating RPM packages for software deployment. Experience automating IT tasks using Ansible. Experience creating Kickstart installation media. Hands‑on experience implementing DISA STIGs for systems and network devices. Familiarity with cybersecurity frameworks, including NIST 800‑53, NIST 800‑171 and CMMC. Qualifications Education: Bachelor’s Degree in Computer Science, Networking, Engineering, Information Technology or a related field. Equivalent experience, including advanced military technical training (e.g., Navy “C” School) with demonstrated capabilities, will also be considered. CompTIA Security+ certification is required or must be obtained within 6 months of employment. Experience: Systems Administrator I – Degree Only; Systems Administrator II – 3+ years of relevant experience; Systems Administrator III – 7+ years of relevant experience. Military service or applicable experience can be substituted at a rate of 2 years of service/experience for each year of degree requirement. Security Clearance: U.S. citizenship and the ability to obtain and maintain a Secret‑level DoD security clearance are required. A current clearance is highly preferred. Location: Middletown, RI Travel: Infrequently (less than 3 annually) Clearance: Secret Work Environment & Physical Demands: Office & Computer Laboratories – sitting, standing, extended periods of time using a mouse and keyboard and viewing computer screens. Infrequent lifting of up to 40 lbs. Movement between points within the same office or between buildings. Work is performed in generally consistent environmental conditions with some seasonality for temperature differences and lighting. Benefits Medical Benefits: Choice of two medical insurance programs through Blue Cross & Blue Shield. Dental Benefits: Best‑in‑class Dental Insurance Plan through Delta Dental. Vision Benefits: Excellent Vision Benefit providing discounts and allowances for prescription glasses and contact lenses. Retirement Benefits: Qualified 401(k) Retirement Savings Account with generous employer matching contribution up to 8% of eligible compensation. Life Insurance Benefits: Employer‑paid Life and Accidental Death & Dismemberment Insurance equal to annual salary. Supplemental coverage is available for you and qualified family members as well as Supplemental Short‑Term and Long‑Term Disability Insurance. Additional Benefits: Ten (10) Paid Holidays per year (including 2 floating Holidays), generous Paid Time Off (PTO) program; Tuition Reimbursement and Referral Bonuses. Undersea, on the surface, or in the air, SEACORP leverages its software and engineering expertise to deliver cutting‑edge warfare systems. SEACORP is a proud Equal Opportunity Employer and complies with all applicable federal, state and local fair employment practices laws. SEACORP strictly prohibits and does not tolerate discrimination against employees, applicants or any other covered persons because of race, color, religion, creed, national origin or ancestry, ethnicity, sex, gender (including gender nonconformity and status as a transgender or transsexual individual), age, sexual orientation, physical or mental disability, citizenship, past, current or prospective service in the uniformed services, genetic information, or any other characteristic protected under applicable federal, state or local law. #J-18808-Ljbffr